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Add 7/15 and 3/9

7/15 + 3/9 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    7/15 = 7 × 3/15 × 3 = 21/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    3/9 = 3 × 5/9 × 5 = 15/45
  4. Add the two like fractions:
    21/45 + 15/45 = 21 + 15/45 = 36/45
  5. 36/45 simplified gives 4/5
  6. So, 7/15 + 3/9 = 4/5

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